CVE-2020-8193Actively exploitedAdded to KEV 2021-11-03

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass Vulnerability

Citrix, Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance

Description

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Critical

88.3%

estimated chance of real-world exploitation in the next 30 days, higher than 99.8% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-05-03

CWE-284

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